Home / 40,821.98-56,330.44-22,912.88

Finding the Fourth Proportional to 40,821.98, 56,330.44 and 22,912.88

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Solution

The fourth proportional to 40,821.98, 56,330.44 and 22,912.88 is: 31,617.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.98 : 56,330.44 = 22,912.88 : x
  2. Step 2: Convert to fraction form
    40,821.98/56,330.44 = 22,912.88/x
  3. Step 3: Cross multiply
    40,821.98x = 56,330.44 × 22,912.88
  4. Step 4: Simplify right side
    40,821.98x = 1,290,692,273.13
  5. Step 5: Solve for x
    x = 1,290,692,273.13/40,821.98
  6. Step 6: Final answer
    x = 31,617.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.